Using transoceanic cables to quantify global environmental changes

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Abstract
Coaxial, transoceanic telecommunications cables, which are broadly distributed in the Atlantic and Pacific oceans and in marginal seas, may present a unique opportunity for data acquisition over a wide range of geologic, oceanographic, and atmospheric regions. The concept of using these cables for Earth science observatories was suggested in the mid‐1970s, and subsequent efforts resulted in the publication of a paper focusing primarily on the use of retired cables as ocean bottom seismic observatories [Nagumo and Walker, 1989] and the publication of a workshop report [Chave et al., 1990] discussing various basic research uses and existing technologies applicable to differing recording strategies.